package cn.wh.beans.factory.support;

import cn.wh.BeansException;
import cn.wh.beans.factory.BeanFactory;
import cn.wh.beans.factory.config.BeanDefinition;

/**
 * @author: wh
 * @create: 2022-08-17 15:33
 * @description 注册bean 接口
 **/
public abstract class AbstractBeanFactory extends DefaultSingletonBeanRegistry implements BeanFactory {

    @Override
    public Object getBean(String name) throws BeansException {
        return doGetBean(name, null);
    }

    @Override
    public Object getBean(String name, Object... args) {
        return doGetBean(name, args);
    }


    protected <T> T doGetBean(final String name, final Object[] args) {
        Object bean = getSingleton(name);
        if (bean != null) {
            return (T) bean;
        }
        BeanDefinition beanDefinition = getBeanDefinition(name);
        return (T) createBean(name, beanDefinition, args);

    }


    protected abstract BeanDefinition getBeanDefinition(String beanName) throws BeansException;


    protected abstract Object createBean(String beanName, BeanDefinition beanDefinition, Object[] args) throws BeansException;


}
